{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007794},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008913","490:4900007911","490:4900008916","490:4900008017","490:4900008914","490:4900008024","490:4900009030","490:4900009331","490:4900007909","490:4900009031","490:4900008239","490:4900008917","490:4900009128","490:4900007914","490:4900008570","490:4900008687","490:4900009131","490:4900009028","490:4900008241","490:4900008703","490:4900008794","490:4900008470","490:4900008471","490:4900009243","490:4900009322"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.21556506326564778,0.20858432546238811,0.10376135236158564,0.06323755037661485,0.061874711199033684,0.046621310821801855,0.03806383879252213,0.036166604828033654,0.02121239871740451,0.015822397359365074,0.014515254542923645,0.014064808093890744,0.011124458861327761,0.008964971982286822,0.008267174177395881,0.007587836789252842,0.00619649260805933,0.0061859036709058495,0.005586942116497923,0.005533403894325984,0.00550700870322196,0.005270381356564047,0.00498272121890741,0.004500357433782205,0.003615109484435124],"twin_dists":[0.22752086419281514,0.22994841009989264,0.2764625923822349,0.30518332510207163,0.30638510390343865,0.321590710988215,0.33205686358222636,0.3346439452018416,0.36053538608947705,0.37399923380732464,0.37786803617505743,0.3792726180926815,0.38956324284135535,0.3987984424870092,0.4022111396392628,0.4057911151836933,0.41412540173935686,0.4141950575054298,0.41832179907872047,0.41870987329811327,0.41890245053860153,0.42066715550709133,0.42291165953367094,0.4269533036939242,0.4355206160904821],"n_dims_used":45,"mean_confidence":0.8905679490831163},"coverage":{"mean_confidence":0.8905679490831163,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}